Local Calling Guide

Area code/prefix search

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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 507

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-507 A Washington Zone 17 VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-507 0 Washington Zone 17 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2021-07-04   
571-507 1 Washington Zone 17 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2021-07-04   
571-507 2 Washington Zone 17 VA VINNVACBAMD  515J IP HORIZON LLC 236   2021-08-21   
571-507 3 Washington Zone 17 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-08-23   
571-507 4 Washington Zone 17 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-08-23   
571-507 5 Washington Zone 17 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-08-23   
571-507 6 Washington Zone 17 VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-06-25   
571-507 7 Washington Zone 17 VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-12   
571-507 8 Washington Zone 17 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2021-07-04   
571-507 9 Washington Zone 17 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2021-07-04   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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